Spear blade swim fin



FIG. 1. Is a top perspective view of my spear blade swim fin, showing mynew design, the broken lines are for illustrative purposes only;

FIG. 2. Is a right side elevational view thereof, with the left sideelevational view being a substantial mirror image thereof;

FIG. 3. Is a front view thereof;

FIG. 4. Is a rear view thereof;

FIG. 5. Is a top view thereof;

FIG. 6. Is a bottom view thereof

FIG. 7. Is a perspective view of a second embodiment of my spear bladeswim fin;

FIG. 8. Is a right side elevational view of the fin shown in FIG. 7,with the left side elevational view being a substantial mirror imagethereof;

FIG. 9. Is a front view of the fin shown in FIG. 7;

FIG. 10. Is a rear view of the fin shown in FIG. 7;

FIG. 11. Is a top view of the fin shown in FIG. 7; and,

FIG. 12. Is a bottom view of the fin shown in FIG. 7.

The ornamental design for a spear blade swim fin, as shown anddescribed.